28347315

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1\times {\mathrm{197}}^1$

素因数の和:439

約数の個数: 32

約数和(自身を含む): 46702656

約数和(自身を除く): 18355341

約数列:

[1, 3, 5, 15, 53, 159, 181, 197, 265, 543, 591, 795, 905, 985, 2715, 2955, 9593, 10441, 28779, 31323, 35657, 47965, 52205, 106971, 143895, 156615, 178285, 534855, 1889821, 5669463, 9449105, 28347315]

約数ペア:

[(1, 28347315), (3, 9449105), (5, 5669463), (15, 1889821), (53, 534855), (159, 178285), (181, 156615), (197, 143895), (265, 106971), (543, 52205), (591, 47965), (795, 35657), (905, 31323), (985, 28779), (2715, 10441), (2955, 9593)]